The creator introduces the project of building an ATM slot machine that guarantees jackpots.

• The creator expresses dissatisfaction with traditional slot machines and their low chances of winning.
• The idea is to create a slot machine that guarantees a jackpot every time for the cost of the ATM fee.
• Matt from Small Change Arcade joins the project, and they plan to showcase the machine at Def Con.

The team sources and plans the modification of a slot machine.

• They visit Squires and Corrie, a slot machine store, to find a suitable slot machine for the project.
• The creator envisions a round table design with reels and plans to add the ATM screen and hoppers.
• After some discussion with the store owner, they decide on a Sigma slot machine that has never been repaired.

The team disassembles the slot machine to understand its components.

• They open the slot machine and explore its internals, including the PCB, reels, bill validator, coin mech, and hopper.
• The disassembly helps them understand how to integrate it with the ATM and control its functions.

The team acquires two ATMs and examines their mechanisms.

• The first ATM, bought for $50 off Craigslist, is tested and does not work.
• A second ATM of the same model but with a different card reader is acquired with hopes it can connect to the ATM network.
• They examine the bill dispensing mechanism and discuss the logistics of incorporating it into the slot machine.

The team makes structural modifications to the slot machine.

• They remove parts of the slot machine to allow for expansion and plan out the electrical components needed.
• Derek, a shop mate, is consulted for advice on modifying the machine's frame.
• A cardboard mock-up is made, and the metal frame is welded together.

The team tests the stepper motor and works on the machine's appearance.

• New stepper controller boards are tested to achieve the right speed for the slot machine reels.
• They discuss the chrome painting process for parts of the machine to give it the right aesthetic.
• The paint process requires a glossy black base coat followed by a chrome spray for the desired effect.

The team prepares the machine for the DEFCON event and secures coins.

• They discuss the need to order a large number of coins for the machine and the logistical challenges involved.
• Calls are made to banks to secure quarters and pennies, with the goal of filling the machine with $8,000 worth of coins.
• A humorous email is drafted to recruit volunteer security detail for the DEFCON event.

The team assembles and tests the integrated ATM and slot machine.

• The slot machine's screen and buttons are mounted, and the gaps are filled in.
• The stepper motors are tested for speed, and the machine's graphics are printed and applied to glass.
• Interfacing with the ATM's bill dispenser is explored, and the team works on integrating it with the slot machine.

The team faces technical issues and makes a final push to complete the machine.

• Problems arise with the ATM's master password and encryption keys, threatening the completion of the project.
• They call technical support for assistance but are unable to resolve the master password issue.
• Despite efforts to troubleshoot and fix the last-minute issues, the machine cannot be completed in time for DEFCON.